38812999 has 2 divisors, whose sum is σ = 38813000. Its totient is φ = 38812998.

The previous prime is 38812993. The next prime is 38813009. The reversal of 38812999 is 99921883.

It is a weak prime.

It is an emirp because it is prime and its reverse (99921883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38812999 - 2⁵ = 38812967 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38812993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19406499 + 19406500.

It is an arithmetic number, because the mean of its divisors is an integer number (19406500).

Almost surely, 2^38812999 is an apocalyptic number.

38812999 is a deficient number, since it is larger than the sum of its proper divisors (1).

38812999 is an equidigital number, since it uses as much as digits as its factorization.

38812999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 49.

The square root of 38812999 is about 6230.0079454203. The cubic root of 38812999 is about 338.5782586459.

The spelling of 38812999 in words is "thirty-eight million, eight hundred twelve thousand, nine hundred ninety-nine".